Shigella species
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13 Terms
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Oxygen Classification
facultative anaerobe- can survive packaging
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Gram stain
nonmotile, gram-negative rod
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Temp classification
cold mesophile, survives in frozen or refrigerated foods
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pH classification
tolerant of low pH (acidophile)
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Most dangerous
shigella sonnei
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Common in US
shigella sonnei
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infectious dose
10-200 bacteria
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Transmission
Fecal-oral route
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Signs and Symptoms
severe abdominal and rectal pain, cramps, fever, diarrhea or dysentery
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Mortality Rate
1-4%
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Infectious site
infects the upper mucosal lining of the colon
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Which produces shiga toxin?
Shigella dysentery produces shiga toxin. Shiga toxin causes shutting down of protein synthesis and dysentery
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Intracellular or extracellular
intracellular
Note 
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